Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report



	Deal Information

1. Distribution Summary	Deal:	Capital Auto Receivables Asset Trust 2015-4

2. Factor Summary	Asset Type:	Consumer Retail

3. Interest Summary	Initial Closing Date:	10/21/2015

4. Collections and Distributions	Bloomberg Ticker:	AFIN 2015-4

5. Collateral Summary	Collection Period, Begin:	12/1/2019
	Collection Period, End:	12/31/2019
6. Charge-Off and Delinquency Rates	Determination Date:	1/15/2020
	Distribution Date:	1/21/2020
7. Credit Instruments
	Revolving/Amortization Period	Amortization Period
8. Accumulation Account
	ABS Investor Relations - Ally Financial Inc. as Servicer:
9. Performance Tests	Telephone:	(866) 710-4623
	E-Mail:	securitization@ally.com
10. Appendix: Additional Charge-Off Detail

The Class E Notes have not been registered under the United States Securities Act of 1933, as amended (the "Securities Act"), or the securities laws of any other jurisdiction. The Class E Notes are not transferable, other than to a qualified institutional buyer (as defined in Rule 144A) or pursuant to another exemption under the Securities Act, and subject to satisfaction of certain other provisions of the Indenture.

Page 1 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

1. Distribution Summary



Class	CUSIP	Initial Note	Beginning Note	Note Rate	Principal	Interest	Total	Principal	Interest	Ending Note
		Principal Balance	Principal Balance		Distribution	Distribution	Distribution	Carryover	Carryover	Principal Balance
							(3) + (4) = (5)	Shortfall	Shortfall	(1) - (3) - (6) = (8)
			(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
A-1	13974LAA6	246,000,000.00	0.00	2.48463000	0.00	0.00	0.00	0.00	0.00	0.00
A-2	13974LAB4	170,000,000.00	0.00	1.62000000	0.00	0.00	0.00	0.00	0.00	0.00
A-3	13974LAC2	170,000,000.00	0.00	1.83000000	0.00	0.00	0.00	0.00	0.00	0.00
A-4	13974LAD0	66,050,000.00	0.00	2.01000000	0.00	0.00	0.00	0.00	0.00	0.00
B	13974LAE8	38,230,000.00	0.00	2.39000000	0.00	0.00	0.00	0.00	0.00	0.00
C	13974LAF5	36,220,000.00	0.00	2.89000000	0.00	0.00	0.00	0.00	0.00	0.00
D	13974LAG3	32,200,000.00	20,937,918.21	3.62000000	7,232,419.63	63,162.72	7,295,582.35	0.00	0.00	13,705,498.58
E	13974LAH1	40,250,000.00	40,250,000.00	5.15000000	0.00	172,739.58	172,739.58	0.00	0.00	40,250,000.00
Deal Totals		798,950,000.00	61,187,918.21		7,232,419.63	235,902.30	7,468,321.93	0.00	0.00	53,955,498.58

*Pursuant to Section 8.01 of the Trust Sale and Servicing Agreement, Ally Financial Inc. as Servicer will exercise the Optional Purchase and will effect the redemption of the outstanding Notes by depositing in the Collection Account when required an amount equal to the greater of (a) the remaining unpaid Principal Balance of the Notes, plus accrued and unpaid interest, and any accrued and unpaid Basic Servicing Fee payments, and (b) the unpaid Aggregate Receivables Principal Balance plus accrued and unpaid interest.

Page 2 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

2. Factor Summary

(Amount per $1,000 of Original Principal)



Class	Beginning Note Pool	Principal Distribution	Interest Distribution	Total Distribution	Interest Carryover	Ending Note Pool
	Factor	Factor	Factor	Factor	Shortfall Factor	Factor
A-1	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000
A-2	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000
A-3	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000
A-4	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000
B	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000
C	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000	0.0000000
D	650.2459071	224.6093053	1.9615752	226.5708804	0.0000000	425.6366019
E	1,000.0000000	0.0000000	4.2916666	4.2916666	0.0000000	1,000.0000000



Beginning Aggregate Note Pool Factor:	76.5854161
Ending Aggregate Note Pool Factor:	67.5330103

Beginning Reserve Account Balance Factor:	1,000.0000000
Reserve Account Draw, distributed to Noteholders, Factor:	0.0000000
Reserve Account Draw, distributed to Certificateholders, Factor:	0.0000000
Ending Reserve Account Balance Factor:	1,000.0000000

Page 3 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

3. Interest Summary

A. Target Interest Summary

Class

Beginning Note Principal Balance

Interest Accrual Period, Start

Interest Accrual Period, End

Accrual Methodology

Applicable Index

Margin

Fixed

Note Rate

Target Interest Distribution

A-1

0.00

12/20/2019

1/20/2020

Actual/360

1.76463000

0.72000000

N/A

2.48463000

0.00

A-2

0.00

12/20/2019

1/20/2020

30/360

N/A

1.62000000

0.00

A-3

0.00

12/20/2019

1/20/2020

30/360

N/A

1.83000000

0.00

A-4

0.00

12/20/2019

1/20/2020

30/360

N/A

2.01000000

0.00

12/20/2019

1/20/2020

30/360

N/A

2.39000000

0.00

12/20/2019

1/20/2020

30/360

N/A

2.89000000

0.00

20,937,918.21

12/20/2019

1/20/2020

30/360

N/A

3.62000000

63,162.72

40,250,000.00

12/20/2019

1/20/2020

30/360

N/A

5.15000000

172,739.58

B. Interest Payment Amount Summary



Class	Beginning Unpaid Interest Carryover Shortfall	Target Interest Distribution	Interest Shortfall Amount Allocated/(Repaid)	Actual Interest Distribution (2) - (3) = (4)	Remaining Unpaid Interest Carryover Shortfall (1) - (3) = (5)
	(1)	(2)	(3)	(4)	(5)
A-1	0.00	0.00	0.00	0.00	0.00
A-2	0.00	0.00	0.00	0.00	0.00
A-3	0.00	0.00	0.00	0.00	0.00
A-4	0.00	0.00	0.00	0.00	0.00
B	0.00	0.00	0.00	0.00	0.00
C	0.00	0.00	0.00	0.00	0.00
D	0.00	63,162.72	0.00	63,162.72	0.00
E	0.00	172,739.58	0.00	172,739.58	0.00
Deal Totals	0.00	235,902.30	0.00	235,902.30	0.00

Page 4 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

4. Collections and Distributions



Collections
Receipts During the Period***	7,226,302.05
Administrative Purchase Payments	91,017.25
Warranty Payments	0.00
Liquidation Proceeds Including Recoveries (Net of Liquidation Expenses)	233,607.23
Accumulation Account Investment Earnings	0.00
Other Fees or Expenses Paid	0.00
Total Collections	7,550,926.53

Beginning Reserve Account Balance	4,024,998.89
Total Available Amount	11,575,925.42

Distributions
Total Available Amount	11,575,925.42
Basic Servicing Fee	82,604.60
Aggregate Class A Interest Distributable Amount	0.00
First Priority Principal Distributable Amount*	0.00
Aggregate Class B Interest Distributable Amount	0.00
Second Priority Principal Distributable Amount*	0.00
Aggregate Class C Interest Distributable Amount	0.00
Third Priority Principal Distributable Amount*	0.00
Aggregate Class D Interest Distributable Amount	63,162.72
Fourth Priority Principal Distributable Amount*	0.00
Aggregate Class E Interest Distributable Amount	172,739.58
Fifth Priority Principal Distributable Amount*	0.00
To the Accumulation Account - Parity Reinvestment Amount**	0.00
To Reserve Account - Specified Reserve Account Balance	4,024,998.89
To the Accumulation Account - Excess of Target Reinvestment less Parity Reinvestment Account**	0.00
Noteholders' Regular Principal Distributable Amount*	7,232,419.63
Indenture Trustee expenses	0.00
Excess Total Available Amount to the Certificateholders	0.00

Supplemental Servicing Fees	122,690.46
Other Fees or Expenses Accrued	0.00
Liquidation Expenses	25,800.00

* Amortization Period Only ** Revolving Period Only *** Includes amounts on deposit in the Accumulation Account immediately preceding the Distribution Date.

Page 5 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

5. Collateral Summary

A. Balances



	Original Balance* Includes Aggregate Additional Receivables	Beginning Balance	Balance at End of Collection Period	Additions	Ending Balance Including Additions
Number of Receivables	79,018	14,654	13,851	0	13,851
Aggregate Receivables Principal Balance	1,200,450,999.36	79,300,413.23	72,052,336.69	0.00	72,052,336.69
Aggregate Receivables Face Amount	1,200,450,999.36	79,300,413.23	72,052,336.69	0.00	72,052,336.69

There have been no receivables with respect to which material breaches of pool asset representations or warranties or transaction covenants have occurred.

B. Pool Composition - Weighted Averages

Inception

Beginning

Ending

Inception

Beginning

Ending

Inception

Beginning

Ending

Weighted

Average

Coupon

Original

Remaining

Maturity

Deal Totals

8.89000000

9.80304675

9.86318941

68.24

70.79

70.90

55.76

19.48

18.93

C. Pool Composition - Prepayments



Month	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Monthly	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	1.21%	1.14%	1.25%	1.31%	1.31%	1.46%	1.28%

Month	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40
Monthly	1.40%	1.30%	1.25%	1.31%	1.14%	1.28%	1.12%	1.03%	1.28%	1.17%	1.35%	1.29%	1.19%	1.16%	1.21%	1.26%	1.00%	1.21%	1.06%	1.06%

Month	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60
Monthly	1.15%	0.99%	1.19%	1.17%	1.09%	0.89%	1.08%	1.06%	0.91%	0.99%	0.85%	0.93%

Page 6 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

6. Charge-Off and Delinquency Rates

A. Current



	Charge-Off Rate						Delinquency Rate
	Average Aggregate Amount Financed	Number of Units Charged-Off	Net Charge-Offs	Average Net Charge-Offs	Loss Rate		Total Accounts	Accounts over 60	Percent Delinquent
Current	75,676,374.96	86	309,487.68	3,598.69	4.9075	%	13,851	372	2.6857	%
Preceding	82,970,184.35	72	266,867.99	3,706.50	3.8597	%	14,654	391	2.6682	%
Next Preceding	90,718,409.25	80	298,787.20	3,734.84	3.9523	%	15,386	364	2.3658	%
Third Preceding	98,898,205.37	87	297,451.67	3,418.98	3.6092	%	Three Month Average		2.5732	%
Four Month Average					4.0822	%

B. Cumulative



	Aggregate Amount	Cumulative Net	Cumulative Loss		Delinquency	Total	Total Balance	Percent
	Financed**	Charge-Offs	Rate**		Stratification	Accounts		Delinquent
Totals	1,200,450,999.36	43,690,265.35	3.6395	%	31 - 60 days	1,120	7,278,136.03	10.1012	%
The information contained in this report is defined or determined in a manner consistent with the prospectus for					61 - 90 days	303	1,973,731.20	2.7393	%
Capital Auto Receivables Asset Trust 2015-4 related to delinquencies, charge-offs or uncollectible accounts.					91 - 120 days	68	399,918.46	0.5550	%
					> 120 days	1	1,120.84	0.0016	%
There have been no material changes in determining delinquencies, charge-offs or uncollectible amounts.
** Note: The value disclosed with respect to the Aggregate Amount Financed and Cumulative Loss Rate include Additional Receivables. Please see Section 10 (Additional Charge-off Detail) for charge-off information disclosed separately with respect to the Initial Receivables and the Aggregate Additional Receivables.
					Bankruptcies		Total Accounts	Total Balance
					Prior Period¹		667	5,321,145.51
					Current Period		23	152,530.51
1. Prior Period Bankruptcies reflect currently active accounts.					Inventory Charged-Off²		46	65,353.12
2. Bankruptcy Inventory Charged-Off includes both bankruptcies returned to active status and charge-offs on prior period bankruptcies.					Ending Inventory		644	5,408,322.90

7. Credit Instruments

Reserve Accounts

Account

Initial Balance

Beginning Balance

Additions

Reductions

Ending Balance

Specified Reserve Account Balance

Draws

Releases

Cash Reserve

4,024,998.89

0.00

4,024,998.89

Page 7 of 8

Statement to Securityholder

Capital Auto Receivables Asset Trust 2015-4

Final Report

8. Accumulation Account

9. Performance Tests



Event of Default	NO
Servicer Default	NO
Early Amortization Event	NO
Additional Receivables Purchased by Trust?	NO
Additional Receivables Criteria Satisfied, If Applicable?	N/A
Overcollateralization Target Amount Satisfied?	NO
Initial Overcollateralization	6,049,778.68
Current Overcollateralization	18,096,838.11
Overcollateralization Target (Revolving Period)	—
Overcollateralization Target (Amortization Period)	18,112,495.02

There have been no material modifications, extensions or waivers relating to the terms of or fees, penalties or payments on, pool assets during the distribution period or that, cumulatively, have become material over time.

This Servicer Certificate relates only to CARAT 2015-4. This Servicer Certificate should not be relied upon with respect to any other security. The information contained herein is only an indication of past performance and does not predict how CARAT 2015-4 will perform in the future.

10. Appendix: Additional Charge-Off Detail

A. Cumulative: Initial Receivables



	Aggregate Amount	Cumulative Net	Cumulative Loss
	Financed	Charge-Offs	Rate
Totals	804,999,778.68	30,789,059.43	3.8247	%

B. Cumulative: Aggregate Additional Receivables



	Aggregate Amount	Cumulative Net	Cumulative Loss
	Financed	Charge-Offs	Rate
Totals	395,451,220.68	12,901,205.92	3.2624	%

Page 8 of 8

Beginning Balance

Investment Earnings

Ending Balance

Capital Auto Receivables Asset Trust 2015-4 10-D